Home / 104,968.78-144,907.79-66,757.64

Finding the Fourth Proportional to 104,968.78, 144,907.79 and 66,757.64

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Solution

The fourth proportional to 104,968.78, 144,907.79 and 66,757.64 is: 92,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,968.78 : 144,907.79 = 66,757.64 : x
  2. Step 2: Convert to fraction form
    104,968.78/144,907.79 = 66,757.64/x
  3. Step 3: Cross multiply
    104,968.78x = 144,907.79 × 66,757.64
  4. Step 4: Simplify right side
    104,968.78x = 9,673,701,019.69
  5. Step 5: Solve for x
    x = 9,673,701,019.69/104,968.78
  6. Step 6: Final answer
    x = 92,157.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.